He reverse engineered SF's ticketing system to track officers in realtime | Hacker News

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		He reverse engineered SF's ticketing system to track officers in realtime (walzr.com)
		4 points by jgoon 77 days ago \| hide \| past \| favorite \| 1 comment

ChrisArchitect 77 days ago [–]

[dupe] https://news.ycombinator.com/item?id=45350690

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